ffmpeg编译安装

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ffmpeg编译安装

FFmpeg下载及安装

2022年7月11日

https://ffmpeg.zeranoe.com/builds/ 网站挂了

一、 FFmpeg下载 1.1 windows方法一

https://ffmpeg.org/download.html#build-windows

ffmpeg-4.4.1-full_build.7z 、ffmpeg-4.4.1-full_build-shared.7z 区别：

1. ffmpeg-4.4.1-full_build.7z:版本只包含了ffmpeg.exe、ffplay.exe、ffprobe.exe三个可执行程序，没有头文件和库文件。
2. ffmpeg-4.4.1-full_build-shared.7z exe:版本包含了ffmpeg.exe、ffplay.exe、ffprobe.exe三个可执行程序和相关动态库文件,包含了头文件和库文件。

1.2 windows方法二

zeranoe编译FFmpeg挂了 ，可以访问 FFmpeg-Builds。

ffmpeg-n4.4-latest-win64-gpl-shared-4.4.zip
目标平台：win64

参数说明

Available targets:

win64 (x86_64 Windows) win32 (x86 Windows) linux64 (x86_64 Linux, glibc>=2.23, linux>=4.4) linuxarm64 (arm64 (aarch64) Linux, glibc>=2.27, linux>=4.15)

The linuxarm64 target will not build some dependencies due to lack of arm64 (aarch64) architecture support or cross-compiling restrictions.

davs2 and xavs2: aarch64 support is broken. libmfx and libva: Library for Intel QSV, so there is no aarch64 support.

Available:

gpl Includes all dependencies, even those that require full GPL instead of just LGPL. lgpl Lacking libraries that are GPL-only. Most prominently libx264 and libx265. nonfree Includes fdk-aac in addition to all the dependencies of the gpl variant. gpl-shared Same as gpl, but comes with the libav* family of shared libs instead of pure static executables. lgpl-shared Same again, but with the lgpl set of dependencies. nonfree-shared Same again, but with the nonfree set of dependencies.

All of those can be optionally combined with any combination of addins.

4.4 to build from the 4.4 release branch instead of master. 5.0 to build from the 5.0 release branch instead of master. debug to not strip debug symbols from the binaries. This increases the output size by about 250MB. 1.3 Linux下载安装 二、 FFmpeg安装 2.1 windows下安装

# 解压后将/bin 文件夹添加系统环境变量
ffmpeg -version

2.2 Linux下安装 三、测试 3.1 FFmpeg安装目录

FFmpeg安装目录如下，将include和lib文件夹copy 项目文件中；

# FFmpeg 安装目录文件结构
├─bin
├─doc
├─include
│  ├─libavcodec
│  ├─libavdevice
│  ├─libavfilter
│  ├─libavformat
│  ├─libavutil
│  ├─libpostproc
│  ├─libswresample
│  └─libswscale
├─lib
└─presets

3.2 新建项目测试 QT --> Projects-->New--> 选择Plain C++ Application

从 FFmpeg安装目录如下，将 include和 lib文件夹copy 项目文件中， .pro添加 ffmpeg的 include和 lib文件夹

INCLUDEPATH += $$PWD/include
LIBS += $$PWD/lib/avformat.lib   \
        $$PWD/lib/avcodec.lib    \
        $$PWD/lib/avdevice.lib   \
        $$PWD/lib/avfilter.lib   \
        $$PWD/lib/avutil.lib     \
        $$PWD/lib/postproc.lib   \
        $$PWD/lib/swresample.lib \
        $$PWD/lib/swscale.lib

FFmpeg测试输出版本信息

#include 
  
    // 包含ffmpeg头文件 #include "libavutil/avutil.h" int main() { printf("Hello FFMPEG, av_version_info is %s\n", av_version_info()); printf("avutil_configuration is \n%s\n", avutil_configuration()); return 0; } 
  

FFmpeg测试结果输出

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